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Cisco Bug: CSCvs84793 - AF sess/sx/sxc/sx_evt_handler_comm.c:608 Function: sx_send_cfm_evt()

Last Modified

Oct 02, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.15.19.74246 21.15.20.74265 21.15.23.74399 21.15.25 21.16.3 21.16.c10 21.16.d0 21.17.4 21.18.1 21.19.0 21.19.n1

Description (partial)

Symptom:
Session Manager reload.

Stack (131071@0x0xffa79000, probably truncated):
    [ffffe430/X] __kernel_vsyscall() sp=0xffa79588
    [0d060217/X] sn_assert() sp=0xffa795e8
    [0927d157/X] sx_send_cfm_evt() sp=0xffa79b18
    [0927f22e/X] sx_tun_fsm_handle_sess_mod_rsp_msg() sp=0xffa79fb8

Conditions:
1) DBC is initaited for dedicated bearer (6)
2) DBC -> Sx Modify Req Sent (Waiting for Sx Modify Rsp from UP) : DBR Proc_type Transaction
3) MBR (SGW HO) is received which purge extra bearer (ebi 6) and as part of sub session dealloaction,
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